Full list of all 38 Rise of Nations: Extended Edition achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Destroy 10,000 buildings
Kill 50,000 units
Build 10,000 buildings
Train 1,000,000 infantry units
Train 1,000,000 cavalry units
Lose 100,000 units
Train 50,000 artillery units
Train 25,000 naval units
Train 10,000 air units
Win Territory
Win Musical Chairs
Knockout in Sudden Death
Win Assassin
Finish a game in Armageddon
Research 4 finals in game
Get a high score on any skill
Beat Toughest
Finish a multiplayer game
Win Peaceful Tech Race
Beat Tougher
Win Wonder
Complete Espionage as the USA
Win 100 games
Complete the World Map Campaign
Complete the Cold War Campaign
Complete Espionage as the Soviets
Complete the New World Campaign
Win 50 games
Complete the Napoleon Campaign
Gain control of 250 rare resources
Win 25 games
Complete the Alexander the Great Campaign
Collect 5,000 resources from ruins
Collect 1,000,000 resources
Win 10 games
Win on a Big Huge Map
Send resources to an ally
Capture a city